Pregrado Química Ambiental
Recent Submissions
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Evaluación del pretratamiento oxidativo con peróxido de hidrógeno sobre cascarilla de café y bagazo de caña de azúcar a escala de laboratorio, para la producción de bioetanol de segunda generación
(Universidad Santo TomásPregrado Química AmbientalFacultad de Química Ambiental, 2021-09-13)Second-generation bioethanol constitutes an important alternative for energy demand worldwide, in addition to reducing CO2 emissions into the atmosphere and reducing the environmental impact generated by the use of fossil ... -
Caracterización fisicoquímica y funcionalidad tecnológica de la fibra de piña (Ananas Comosus), cultivada en la vereda Acapulco- Girón (Santander)
(Universidad Santo TomásPregrado Química AmbientalFacultad de Química Ambiental, 2021-09-10)The fiber of the pineapple plant is a biopolymer composed mostly of lignocellulosic material. The biodegradation of this material in its natural environment causes a great problem for farmers, since it takes 8 to 13 months ... -
Aprovechamiento de biomasa lignocelulósica de semilla de aguacate (Persea Americana Mill): evaluación de la capacidad fungistática y adsorción de metales pesados en solución acuosa
(Universidad Santo TomásPregrado Química AmbientalFacultad de Química Ambiental, 2021-09-09)Currently, one of the environmental challenges of researchers at national and international level is the use of renewable materials and the use of their biological, chemical and physical properties. These materials include ... -
Evaluación de nanopartículas de sílice mesoporosa obtenida de la cascarilla de arroz como sistema de liberación controlada del letrozol
(Universidad Santo TomásPregrado Química AmbientalFacultad de Química Ambiental, 2021-07-07)The use of conventional medications has brought with it different side effects in the human body as a result of the immediate release of the active substance. In addition, rice husk is an agricultural waste generated in ... -
Influencia de la incorporación de yeso residual en las propiedades químicas y mecánicas del concreto simple
(Universidad Santo TomásPregrado Química AmbientalFacultad de Química Ambiental, 2021-06-23)The plaster is used in various productive activities highlighting the construction industry, the dental sector and goldsmith. These sectors generate large amounts of waste that, added to those already generated by other ... -
Construcción de modelos relación cuantitativa estructura-actividad para predecir la concentración inhibitoria mínima de mono fenoles frente a Streptococcus Sobrinus y Porphyromonas Gingivalis.
(Universidad Santo TomásPregrado Química AmbientalFacultad de Química Ambiental, 2021-05-26)The most relevant periodontal pathologies worldwide are caries and gingivitis, Streptococcus Sobrinus and Porphyromonas Gingivalis being the most pathogenic microorganisms. These are ranked 11th in human prevalence diseases, ... -
Evaluación de la biodegradación del Bisfenol A por consorcios microbianos bajo condiciones de celdas de combustión microbiana
(Universidad Santo TomásPregrado Química AmbientalFacultad de Química Ambiental, 2021-03-16)Bisphenol A (BPA) is classified as an endocrine disruptor and an emerging pollutant of soils and water sources. To provide a solution to the problem, in this research the biodegradation potential of BPA was estimated by ... -
Generación de Quimiosensores del Nanocomposito Celulosa Bacteriana/Puntos Cuánticos como Indicador de Contaminación por Metales Pesados en Muestras Acuosas
(Universidad Santo TomásPregrado Química AmbientalFacultad de Química Ambiental, 2021-03-15)In the last decade, contamination by heavy metals in aqueous media has become a global problem that has increased with the confluence of natural sources and, mainly, anthropogenic activities (industrial activities, mining ... -
Sacarificación de residuos lignocelulósicos pretratados con peróxido de hidrógeno para la obtención de azúcares fermentables
(Universidad Santo TomásPregrado Química AmbientalFacultad de Química Ambiental, 2021-02-10)In the world there is a great consumption and dependency on fossil fuels, despite the great environmental damage that these causes, therefore, in recent years, alternative energy sources have been explored, which are more ... -
Determinación de metales en el material particulado PM10 para las campañas 2018 del día sin carro en Bucaramanga
(Universidad Santo TomásPregrado Química AmbientalFacultad de Química Ambiental, 2021-01-14)Particulate matter is one of the most studied atmospheric pollutants in the world, due to the effect it has on air quality. Its presence in the atmosphere causes a variety of negative impacts on the environment and human ... -
Síntesis y caracterización del complejo órgano-mineral (Metoprolol Succinato- montmorillonita) para la liberación controlada del Metoprolol Succinato.
(Universidad Santo TomásPregrado Química AmbientalFacultad de Química Ambiental, 2020-11-30)Due to the current need to prolong the action of a drug and reduce the side effects that can be generated in the patient, because the active principle remains in the bloodstream, sometimes in a maximum concentration value ... -
Determinación de la actividad antioxidante de compuestos organometálicos de compuestos flavonoides
(Universidad Santo TomásPregrado Química AmbientalFacultad de Química Ambiental, 2020-11-24)In the present work studies the structure of Quercetin and Naringenin. These flavonoids present on the peels of citrus fruits are prominent because of their high antioxidant capacities and presence as ligands on coordination ... -
Caracterización fisicoquímica y mineralógica de un suelo de uso agrícola ubicado en el campus El Limonal de la Universidad Santo Tomás, Piedecuesta
(Universidad Santo TomásPregrado Química AmbientalFacultad de Química Ambiental, 2020-09-08)Characterization of soils for agricultural use is essential to achieve a complete understanding of the complex relationships between soil properties, the environmental factors that influence its fertility, and their use ... -
Estudio preliminar de liberación controlada de ibuprofeno empleando un hidrogel de quitosano magnético
(Universidad Santo TomásPregrado Química AmbientalFacultad de Química Ambiental, 2020-08-27)This research presents the synthesis of a composite from a hybrid in situ synthesis method of aggregation of magnetic nanoparticles to the chitosan hydrogel, as well as the synthesis of a chitosan-glutaraldehyde (HCG) ... -
Implementación de cascarilla de café en la bioadsorción de metales pesados y su actividad antimicrobiana
(Universidad Santo TomásPregrado Química AmbientalFacultad de Química Ambiental, 2020-07-21)The investigation is about, the use of modified coffee husk in the extraction of metal ions of Pb(II), Cd(II), Cu(II) and Cr(III) in aqueous solution. The modification of husk and coffee lignin was carried out by the ... -
Aislamiento de la proteína a partir de la torta de sacha inchi (Plukenetia volubilis linneo)
(Universidad Santo TomásPregrado Química AmbientalFacultad de Química Ambiental, 2020-05-17)The nutritive properties that the sacha inchi almond (Plukenetia volubilis Linneo) has due to its high protein and oils content motivate farmers and companies to start using it to export their products in the future. ... -
Implementación de una técnica de cromatografía líquida de alta eficiencia para detección de glifosato en suelos, lixiviados, tomate (Solanum licopercycum) y albahaca (Ocimum basilicum)
(Universidad Santo TomásPregrado Química AmbientalFacultad de Química Ambiental, 2020-05-15)Glyphosate is the most widely used agrochemical product currently by the agricultural industry, its results on the inhibition of unwanted plants and its selectivity have made this product the most widely used today (Madrid, ... -
Caracterización de biotransformación de lodos procedentes del tratamiento de aguas residuales domésticas
(Universidad Santo TomásPregrado Química AmbientalFacultad de Química Ambiental, 2020-04-03)The sludge produced in Domestic Wastewater Treatment Plants –PTARD-, are considered as products with a high environmental and social impact, since they are important generators of contamination to natural resources, water ... -
Perfil químico y biológico de los aceites esenciales de Cymbopogon nardus y Cymbopogon martinii
(Universidad Santo TomásPregrado Química AmbientalFacultad de Química Ambiental, 2020-04-03)The chromatographic profiles (reconstructed streams) of the oils evaluated were obtained by gas chromatography coupled to mass spectrometry. The main major compounds of essential oils according to the percentages of relative ... -
Estudio de la composición química y actividad biológica de aceites esenciales de Cardamomo (Elettaria cardamomum) y Tomillo (Thymus vulgaris)
(Universidad Santo TomásPregrado Química AmbientalFacultad de Química Ambiental, 2020-04-04)Essential oils (AE) are complex mixtures of components of different chemical nature. One of the most complex biological activities studied in EAs is antimicrobial bioactivity as an alternative to bacterial resistance. On ...
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